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Table 4 Multivariate logistic regression model for development of SBT failure

From: Application of heart-rate variability in patients undergoing weaning from mechanical ventilation

Variables

Odds ratio (95% CI)

P value

Age ≧65 years

1.1 (0.3-3.6)

0.917

Female sex

3.0 (1.0-9.4)

0.054

Use of β2 agonist

4.0 (0.9-18.3)

0.075

Use of anticholinergic

2.9 (0.6-13.0)

0.163

Use of CCB

2.3 (0.7-6.8)

0.149

Δln TP ≤0.4 ln(ms2)

7.2 (2.0-25.4)

0.002

  1. CCB, calcium channel blocker; CI, confidence interval; Δln TP, change of natural logarithmic transformation of total power from pre-SBT to SBT periods; SBT, spontaneous-breathing trial.